@book{26535,
	author = {Butts, Charles, and Nelson, Wilbur Armistead,},
	title = {Geology and mineral resources of the Crossville quadrangle, Tennessee,},
	year = {1925.},
	series = {Tennessee. Dept. of Education. Division of Geology. Bulletin 33-D},
	address = {Nashville, Tenn.,},
	note = {Bound together with Bulletins 33-A and 33-C}
}